This is the new and updated version of this mod. This is all you need and you should overwrite any existing files if you have downloaded and installed the old version. It should not affect any save games.

An update file that will add Surefire 60 rounds magazine to improve your survival odds against tougher enemies as you level up specially in survival mode.

Brighter reticles for all reflex sights.
This is an optional loose file patch, so your Fallout4.ini should have these lines under [Archive]

[Archive]
bInvalidateOlderFiles=1
sResourceDataDirsFinal=